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Finding the Fourth Proportional to 80,296.91, 110,861.73 and 51,629.45

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Solution

The fourth proportional to 80,296.91, 110,861.73 and 51,629.45 is: 71,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,296.91 : 110,861.73 = 51,629.45 : x
  2. Step 2: Convert to fraction form
    80,296.91/110,861.73 = 51,629.45/x
  3. Step 3: Cross multiply
    80,296.91x = 110,861.73 × 51,629.45
  4. Step 4: Simplify right side
    80,296.91x = 5,723,729,591.64
  5. Step 5: Solve for x
    x = 5,723,729,591.64/80,296.91
  6. Step 6: Final answer
    x = 71,282.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.